Base | Representation |
---|---|
bin | 11101001000110110100001… |
… | …101011100110000101111001 |
3 | 121210202011210221201121011120 |
4 | 131020312201223212011321 |
5 | 113244114040323130440 |
6 | 1132320020040415453 |
7 | 35664436253036001 |
oct | 3510664153460571 |
9 | 553664727647146 |
10 | 128151651770745 |
11 | 379188a0577389 |
12 | 12458794a77589 |
13 | 5667858861405 |
14 | 23908045cd001 |
15 | ec37ba1c3dd0 |
hex | 748da1ae6179 |
128151651770745 has 16 divisors (see below), whose sum is σ = 205087382773632. Its totient is φ = 68332634297600.
The previous prime is 128151651770743. The next prime is 128151651770789. The reversal of 128151651770745 is 547077156151821.
It is not a de Polignac number, because 128151651770745 - 21 = 128151651770743 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (128151651770743) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 932011056 + ... + 932148545.
It is an arithmetic number, because the mean of its divisors is an integer number (12817961423352).
Almost surely, 2128151651770745 is an apocalyptic number.
128151651770745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
128151651770745 is a deficient number, since it is larger than the sum of its proper divisors (76935731002887).
128151651770745 is a wasteful number, since it uses less digits than its factorization.
128151651770745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1864164192.
The product of its (nonzero) digits is 16464000, while the sum is 60.
The spelling of 128151651770745 in words is "one hundred twenty-eight trillion, one hundred fifty-one billion, six hundred fifty-one million, seven hundred seventy thousand, seven hundred forty-five".
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